diff --git a/drivers/irqchip/irq-mvebu-icu.c b/drivers/irqchip/irq-mvebu-icu.c
index d09f220a2701..c79d2cb787a0 100644
--- a/drivers/irqchip/irq-mvebu-icu.c
+++ b/drivers/irqchip/irq-mvebu-icu.c
@@ -13,6 +13,7 @@
 #include <linux/irq.h>
 #include <linux/irqchip.h>
 #include <linux/irqdomain.h>
+#include <linux/jump_label.h>
 #include <linux/kernel.h>
 #include <linux/msi.h>
 #include <linux/of_irq.h>
@@ -49,6 +50,8 @@ struct mvebu_icu_irq_data {
 	unsigned int type;
 };
 
+DEFINE_STATIC_KEY_FALSE(legacy_bindings);
+
 static void mvebu_icu_init(struct mvebu_icu *icu, struct msi_msg *msg)
 {
 	if (atomic_cmpxchg(&icu->initialized, false, true))
@@ -105,32 +108,33 @@ mvebu_icu_irq_domain_translate(struct irq_domain *d, struct irq_fwspec *fwspec,
 			       unsigned long *hwirq, unsigned int *type)
 {
 	struct mvebu_icu *icu = platform_msi_get_host_data(d);
-	unsigned int icu_group;
+	unsigned int param_count = static_branch_unlikely(&legacy_bindings) ? 3 : 2;
 
 	/* Check the count of the parameters in dt */
-	if (WARN_ON(fwspec->param_count < 3)) {
+	if (WARN_ON(fwspec->param_count != param_count)) {
 		dev_err(icu->dev, "wrong ICU parameter count %d\n",
 			fwspec->param_count);
 		return -EINVAL;
 	}
 
-	/* Only ICU group type is handled */
-	icu_group = fwspec->param[0];
-	if (icu_group != ICU_GRP_NSR && icu_group != ICU_GRP_SR &&
-	    icu_group != ICU_GRP_SEI && icu_group != ICU_GRP_REI) {
-		dev_err(icu->dev, "wrong ICU group type %x\n", icu_group);
-		return -EINVAL;
+	if (static_branch_unlikely(&legacy_bindings)) {
+		*hwirq = fwspec->param[1];
+		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;
+		if (fwspec->param[0] != ICU_GRP_NSR) {
+			dev_err(icu->dev, "wrong ICU group type %x\n",
+				fwspec->param[0]);
+			return -EINVAL;
+		}
+	} else {
+		*hwirq = fwspec->param[0];
+		*type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
 	}
 
-	*hwirq = fwspec->param[1];
 	if (*hwirq >= ICU_MAX_IRQS) {
 		dev_err(icu->dev, "invalid interrupt number %ld\n", *hwirq);
 		return -EINVAL;
 	}
 
-	/* Mask the type to prevent wrong DT configuration */
-	*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;
-
 	return 0;
 }
 
@@ -155,7 +159,10 @@ mvebu_icu_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
 		goto free_irqd;
 	}
 
-	icu_irqd->icu_group = fwspec->param[0];
+	if (static_branch_unlikely(&legacy_bindings))
+		icu_irqd->icu_group = fwspec->param[0];
+	else
+		icu_irqd->icu_group = ICU_GRP_NSR;
 	icu_irqd->icu = icu;
 
 	err = platform_msi_domain_alloc(domain, virq, nr_irqs);
@@ -203,6 +210,13 @@ static const struct irq_domain_ops mvebu_icu_domain_ops = {
 	.free      = mvebu_icu_irq_domain_free,
 };
 
+static const struct of_device_id mvebu_icu_subset_of_match[] = {
+	{
+		.compatible = "marvell,cp110-icu-nsr",
+	},
+	{},
+};
+
 static int mvebu_icu_subset_probe(struct platform_device *pdev)
 {
 	struct device_node *msi_parent_dn;
@@ -210,7 +224,14 @@ static int mvebu_icu_subset_probe(struct platform_device *pdev)
 	struct irq_domain *irq_domain;
 	struct mvebu_icu *icu;
 
-	icu = dev_get_drvdata(dev);
+	/*
+	 * Device data being populated means we are using the legacy bindings.
+	 * Using the parent device data means we are using the new bindings.
+	 */
+	if (dev_get_drvdata(dev))
+		icu = dev_get_drvdata(dev);
+	else
+		icu = dev_get_drvdata(dev->parent);
 
 	dev->msi_domain = of_msi_get_domain(dev, dev->of_node,
 					    DOMAIN_BUS_PLATFORM_MSI);
@@ -233,6 +254,15 @@ static int mvebu_icu_subset_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static struct platform_driver mvebu_icu_subset_driver = {
+	.probe  = mvebu_icu_subset_probe,
+	.driver = {
+		.name = "mvebu-icu-subset",
+		.of_match_table = mvebu_icu_subset_of_match,
+	},
+};
+builtin_platform_driver(mvebu_icu_subset_driver);
+
 static int mvebu_icu_probe(struct platform_device *pdev)
 {
 	struct mvebu_icu *icu;
@@ -259,6 +289,16 @@ static int mvebu_icu_probe(struct platform_device *pdev)
 	if (!icu->irq_chip.name)
 		return -ENOMEM;
 
+	/*
+	 * Legacy bindings: ICU is one node with one MSI parent: force manually
+	 *                  the probe of the NSR interrupts side.
+	 * New bindings: ICU node has children, one per interrupt controller
+	 *               having its own MSI parent: call platform_populate().
+	 * All ICU instances should use the same bindings.
+	 */
+	if (!of_get_child_count(pdev->dev.of_node))
+		static_branch_enable(&legacy_bindings);
+
 	icu->irq_chip.irq_mask = irq_chip_mask_parent;
 	icu->irq_chip.irq_unmask = irq_chip_unmask_parent;
 	icu->irq_chip.irq_eoi = irq_chip_eoi_parent;
@@ -277,13 +317,18 @@ static int mvebu_icu_probe(struct platform_device *pdev)
 		icu_int = readl_relaxed(icu->base + ICU_INT_CFG(i));
 		icu_grp = icu_int >> ICU_GROUP_SHIFT;
 
-		if (icu_grp == ICU_GRP_NSR)
+		if (icu_grp == ICU_GRP_NSR ||
+		    (icu_grp == ICU_GRP_SEI &&
+		     !static_branch_unlikely(&legacy_bindings)))
 			writel_relaxed(0x0, icu->base + ICU_INT_CFG(i));
 	}
 
 	platform_set_drvdata(pdev, icu);
 
-	return mvebu_icu_subset_probe(pdev);
+	if (static_branch_unlikely(&legacy_bindings))
+		return mvebu_icu_subset_probe(pdev);
+	else
+		return devm_of_platform_populate(&pdev->dev);
 }
 
 static const struct of_device_id mvebu_icu_of_match[] = {
